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#1
04-07-2009, 08:00 PM
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Rear Wheels Inside Wear
I've done some searches and haven't really seen any pictures of this so I thought I'd post here and see if I can get some opinions.
I have an 08 4.8i with only 10,420 mi on the Dunlaps. I was filling up at the gas station and noticed this very bad wear on the inside of the tires. I snapped a couple of pictures for you guys to see. You think I should be concern? I've read a couple of post on here of folks getting 35K on the runflat Dunlaps. I understand the rear camber is set at near -2.0 but to get this bad of wear seems strange to me with this low miles. Any ways just wanted to get some opinions on here from the community. Check it out! 
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#2
04-07-2009, 10:27 PM
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Get an alignment with your new set of tire. If the camber is indeed still at -2.0 degree, then I'll bet that you're toe-out. Just -2.0 degree camber should NOT cause this excessive wear. Same thing happened to my first set of tire...had it corrected the toe setting on my next set and it wore evenly since.
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#3
04-07-2009, 10:36 PM
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dkl, would it be best to have the dealer do the alignment?
__________________
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#4
04-21-2009, 03:00 PM
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Yes. And that is normal wear, that's just how it is on these cars. I'm not saying it's good, it's just par for the course.
Quote:
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#5
04-09-2009, 01:06 AM
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It shouldn't matter if you can find a competent tire shop. I had mine done at a local tire shop as the dealer wanted $350
 Call me cheap...but that's crazy money for a simple 4-wheel alignment. The alignment still held up true after going through 1 set of tires, which worn very evenly (went in for an alignment after having new tires installed a few months ago, but everything checked out fine...so no need for any further adjustments...therefore, no charge - sweeeeeeeeet).
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#6
04-10-2009, 10:45 AM
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Just found out dealership is running a special on 4 wheel alignments. I'm going to give that a try and maybe get some more miles out of these Dunlaps.
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#7
04-21-2009, 01:36 PM
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I had similar wear in the rears on my 22" Sumitomo Tires.... 20K miles and needed a new pair of rear tires...
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#9
04-23-2009, 11:19 AM
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Once again, X5 Meister takes the cake. Fact is and according to Ted's BMW, Mercedes, Audi who is a CERTIFIED BMW Mechanic, the rear toe-in on all X5's is, in his words: "EXCESSIVE" And to further quote: "Always has been and he does not know why." He says the wear is especially noticible on "soft" tires and tells me I have perhaps 30,000 miles on my brand new 22" tires.
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#10
04-26-2009, 08:29 PM
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Quote:
typically, toe is designed into the stock alignment specs to 1. increase high speed stability - the tires facing towards each others push the sides of the car towards the center (in). if you neutral out the toe, the vehicle can wander more at higher speed. 2. reduce squirm on acceleration - when you accelerate, the rear wheels tend to go to toe out. when rear bushings go, your toe changes even more, which is why the rear seems really loose on acceleration. making your toe more neutral in the rear will improve your wear, but at a cost (stability)
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